// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <string>
#include <vector>

#include "base/platform_file.h"
#include "ipc/ipc_message_macros.h"
#include "printing/backend/print_backend.h"
#include "printing/page_range.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/rect.h"

#define IPC_MESSAGE_START UtilityMsgStart

class FilePath;
class IndexedDBKey;
class SerializedScriptValue;
class SkBitmap;

//------------------------------------------------------------------------------
// Utility process messages:
// These are messages from the browser to the utility process.
// Tell the utility process to unpack the given extension file in its
// directory and verify that it is valid.
IPC_MESSAGE_CONTROL1(UtilityMsg_UnpackExtension,
                     FilePath /* extension_filename */)

// Tell the utility process to parse the given JSON data and verify its
// validity.
IPC_MESSAGE_CONTROL1(UtilityMsg_UnpackWebResource,
                     std::string /* JSON data */)

// Tell the utility process to parse the given xml document.
IPC_MESSAGE_CONTROL1(UtilityMsg_ParseUpdateManifest,
                     std::string /* xml document contents */)

// Tell the utility process to decode the given image data.
IPC_MESSAGE_CONTROL1(UtilityMsg_DecodeImage,
                     std::vector<unsigned char>)  // encoded image contents

// Tell the utility process to render the given PDF into a metafile.
IPC_MESSAGE_CONTROL5(UtilityMsg_RenderPDFPagesToMetafile,
                     base::PlatformFile,       // PDF file
                     FilePath,                 // Location for output metafile
                     gfx::Rect,                // Render Area
                     int,                      // DPI
                     std::vector<printing::PageRange>)

// Tell the utility process to extract the given IDBKeyPath from the
// SerializedScriptValue vector and reply with the corresponding IDBKeys.
IPC_MESSAGE_CONTROL3(UtilityMsg_IDBKeysFromValuesAndKeyPath,
                     int,     // id
                     std::vector<SerializedScriptValue>,
                     string16) // IDBKeyPath

// Tells the utility process that it's running in batch mode.
IPC_MESSAGE_CONTROL0(UtilityMsg_BatchMode_Started)

// Tells the utility process that it can shutdown.
IPC_MESSAGE_CONTROL0(UtilityMsg_BatchMode_Finished)

// Tells the utility process to get capabilities and defaults for the specified
// printer. Used on Windows to isolate the service process from printer driver
// crashes by executing this in a separate process. This does not run in a
// sandbox.
IPC_MESSAGE_CONTROL1(UtilityMsg_GetPrinterCapsAndDefaults,
                     std::string /* printer name */)

//------------------------------------------------------------------------------
// Utility process host messages:
// These are messages from the utility process to the browser.
// Reply when the utility process is done unpacking an extension.  |manifest|
// is the parsed manifest.json file.
// The unpacker should also have written out files containing the decoded
// images and message catalogs from the extension. See ExtensionUnpacker for
// details.
IPC_MESSAGE_CONTROL1(UtilityHostMsg_UnpackExtension_Succeeded,
                     DictionaryValue /* manifest */)

// Reply when the utility process has failed while unpacking an extension.
// |error_message| is a user-displayable explanation of what went wrong.
IPC_MESSAGE_CONTROL1(UtilityHostMsg_UnpackExtension_Failed,
                     std::string /* error_message, if any */)

// Reply when the utility process is done unpacking and parsing JSON data
// from a web resource.
IPC_MESSAGE_CONTROL1(UtilityHostMsg_UnpackWebResource_Succeeded,
                     DictionaryValue /* json data */)

// Reply when the utility process has failed while unpacking and parsing a
// web resource.  |error_message| is a user-readable explanation of what
// went wrong.
IPC_MESSAGE_CONTROL1(UtilityHostMsg_UnpackWebResource_Failed,
                     std::string /* error_message, if any */)

// Reply when the utility process has succeeded in parsing an update manifest
// xml document.
IPC_MESSAGE_CONTROL1(UtilityHostMsg_ParseUpdateManifest_Succeeded,
                     UpdateManifest::Results /* updates */)

// Reply when an error occured parsing the update manifest. |error_message|
// is a description of what went wrong suitable for logging.
IPC_MESSAGE_CONTROL1(UtilityHostMsg_ParseUpdateManifest_Failed,
                     std::string /* error_message, if any */)

// Reply when the utility process has succeeded in decoding the image.
IPC_MESSAGE_CONTROL1(UtilityHostMsg_DecodeImage_Succeeded,
                     SkBitmap)  // decoded image

// Reply when an error occured decoding the image.
IPC_MESSAGE_CONTROL0(UtilityHostMsg_DecodeImage_Failed)

// Reply when the utility process has succeeded in rendering the PDF.
IPC_MESSAGE_CONTROL1(UtilityHostMsg_RenderPDFPagesToMetafile_Succeeded,
                     int)       // Highest rendered page number

// Reply when an error occured rendering the PDF.
IPC_MESSAGE_CONTROL0(UtilityHostMsg_RenderPDFPagesToMetafile_Failed)

#if defined(OS_WIN)
// Request that the given font be loaded by the host so it's cached by the
// OS. Please see ChildProcessHost::PreCacheFont for details.
IPC_SYNC_MESSAGE_CONTROL1_0(UtilityHostMsg_PreCacheFont,
                            LOGFONT /* font data */)
#endif  // defined(OS_WIN)

// Reply when the utility process has succeeded in obtaining the value for
// IDBKeyPath.
IPC_MESSAGE_CONTROL2(UtilityHostMsg_IDBKeysFromValuesAndKeyPath_Succeeded,
                     int /* id */,
                     std::vector<IndexedDBKey> /* value */)

// Reply when the utility process has failed in obtaining the value for
// IDBKeyPath.
IPC_MESSAGE_CONTROL1(UtilityHostMsg_IDBKeysFromValuesAndKeyPath_Failed,
                     int /* id */)

// Reply when the utility process has succeeded in obtaining the printer
// capabilities and defaults.
IPC_MESSAGE_CONTROL2(UtilityHostMsg_GetPrinterCapsAndDefaults_Succeeded,
                     std::string /* printer name */,
                     printing::PrinterCapsAndDefaults)

// Reply when the utility process has failed to obtain the printer
// capabilities and defaults.
IPC_MESSAGE_CONTROL1(UtilityHostMsg_GetPrinterCapsAndDefaults_Failed,
                     std::string /* printer name */)